I must deal you must deal she must deal we must deal you must deal they must deal
V-ing form
I must be dealing you must be dealing she must be dealing we must be dealing you must be dealing they must be dealing
Perfect
I must have dealt you must have dealt she must have dealt we must have dealt you must have dealt they must have dealt
V-ing perfect
I must have been dealing you must have been dealing she must have been dealing we must have been dealing you must have been dealing they must have been dealing
Negation
Simple form
I must not deal you must not deal she must not deal we must not deal you must not deal they must not deal
V-ing form
I must not be dealing you must not be dealing she must not be dealing we must not be dealing you must not be dealing they must not be dealing
Perfect
I must not have dealt you must not have dealt she must not have dealt we must not have dealt you must not have dealt they must not have dealt
V-ing perfect
I must not have been dealing you must not have been dealing she must not have been dealing we must not have been dealing you must not have been dealing they must not have been dealing
Interrogative form
Simple form
must I deal? must you deal? must she deal? must we deal? must you deal? must they deal?
V-ing form
must I be dealing? must you be dealing? must she be dealing? must we be dealing? must you be dealing? must they be dealing?
Perfect
must I have dealt? must you have dealt? must she have dealt? must we have dealt? must you have dealt? must they have dealt?
V-ing perfect
must I have been dealing? must you have been dealing? must she have been dealing? must we have been dealing? must you have been dealing? must they have been dealing?
Interro-negative form
Simple form
must I not deal? must you not deal? must she not deal? must we not deal? must you not deal? must they not deal?
V-ing form
must I not be dealing? must you not be dealing? must she not be dealing? must we not be dealing? must you not be dealing? must they not be dealing?
Perfect
must I not have dealt? must you not have dealt? must she not have dealt? must we not have dealt? must you not have dealt? must they not have dealt?
V-ing perfect
must I not have been dealing? must you not have been dealing? must she not have been dealing? must we not have been dealing? must you not have been dealing? must they not have been dealing?